/*
 * Copyright (c) 2010, Michael Hengler (developer (at) hengler (dot) de),
 * Nikolaus Moll (developer (at) miblounge (dot) net).
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the [QTPRJ] nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL [QTPRJ] BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package joodin.impl.widgets.internal;

import joodin.impl.application.util.ApplicationWrapper;
import joodin.impl.util.StringComparator;

import org.jowidgets.common.widgets.controler.IPopupDetectionListener;
import org.jowidgets.spi.verify.IInputVerifier;
import org.jowidgets.spi.widgets.IPopupMenuSpi;
import org.jowidgets.spi.widgets.setup.ITextFieldSetupSpi;

import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.event.FieldEvents.TextChangeEvent;
import com.vaadin.event.FieldEvents.TextChangeListener;
import com.vaadin.ui.TextField;

public class TextFieldImpl extends AbstractTextInputComponent {

	private final IInputVerifier inputVerifier;
	private String oldText = "";

	@SuppressWarnings({ "deprecation", "serial" })
	public TextFieldImpl(final Object parentUiReference, final ITextFieldSetupSpi setup) {
		super(new TextField(){
			@Override
			public void setInternalValue(Object newValue) {
				super.setInternalValue(newValue);
			}
		});
		
		getUiReference().setImmediate(true);
		
		this.inputVerifier = setup.getInputVerifier();
		
		registerTextComponent(getUiReference());

		getUiReference().setSecret(setup.isPasswordPresentation());

	}
	 
	@SuppressWarnings("serial")
	protected void registerTextComponent(final TextField textComponent) {
		
		textComponent.addListener(new TextChangeListener() {
			@Override
			public void textChange(TextChangeEvent event) {
				System.out.println(this.getClass() + "  " + event.getText());
			}
		});
		
		textComponent.addListener(new ValueChangeListener() {
			@Override
			public void valueChange(ValueChangeEvent event) {
				System.out.println(this.getClass() + "  ");
				fireContentChangedWrapper(getText());
			}
		});
		 

	}

	public synchronized void fireContentChangedWrapper(final String currentText) {
		final StringComparator comparator = new StringComparator(oldText, currentText, 0);

		if (inputVerifier.verify(currentText, comparator.getText(), comparator.getStart(), comparator.getEnd())) {
			oldText = currentText;
			setText(currentText);
			fireInputChanged();
			ApplicationWrapper.getPusher().push();
		} else {
			final int lastPosition = getUiReference().getCursorPosition() - comparator.getChangeCount();
			setText(oldText);
			getUiReference().setCursorPosition(lastPosition);
		}

	}

	@Override
	public TextField getUiReference() {
		return (TextField) super.getUiReference();
	}

	@Override
	public String getText() {
		if(getUiReference().getValue() == null){
			return "";
		}
			
		return getUiReference().getValue().toString();
	}

	@Override
	public void setText(final String content) {
		getUiReference().setValue(content);
	}

	@Override
	public void setEditable(final boolean editable) {
		getUiReference().setReadOnly(!editable);
	}

	@Override
	public void setTooltipText(final String tooltipText) {
		getUiReference().setDescription(tooltipText);
	}

	@Override
	public IPopupMenuSpi createPopupMenu() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public void addPopupDetectionListener(IPopupDetectionListener arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void removePopupDetectionListener(IPopupDetectionListener arg0) {
		// TODO Auto-generated method stub
		
	}

	@Override
	public Object getLayoutConstraints() {
		// TODO Auto-generated method stub
		return null;
	}

	@Override
	public void setLayoutConstraints(Object arg0) {
		// TODO Auto-generated method stub
		
	}

}
